Disclosed is a touch panel integrated organic light emitting display apparatus. The apparatus includes a substrate, a thin film transistor disposed on the substrate, an organic light emitting unit including an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extending from the anode, an encapsulation unit configured to cover the organic light emitting unit, a low-reflective adhesive member disposed on the encapsulation unit, the low-reflective adhesive member comprising an adhesive layer and a low-reflective pattern disposed on a lower surface of the adhesive layer, and a touch panel disposed on the low-reflective adhesive member, wherein the low-reflective pattern has a visible light absorption property.
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1. An organic light emitting display apparatus comprising: a substrate; a thin film transistor on the substrate; an organic light emitting unit on the thin film transistor, the organic light emitting unit comprising an anode, an organic emission layer and a cathode; an anode contact unit connected to the thin film transistor and extended from the anode; an encapsulation unit configured to cover the organic light emitting unit; and a low-reflective pattern on the encapsulation unit, wherein the low-reflective pattern has a visible light absorption property, wherein the anode contact unit is formed of a same material as the anode, and wherein a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit.
The organic light emitting display (OLED) is built on a substrate and features a thin-film transistor (TFT). An OLED unit sits on the TFT, containing an anode, an organic emission layer, and a cathode. An anode contact unit, made of the same material as the anode, connects to the TFT and extends from the anode to provide electrical contact. An encapsulation unit covers the OLED unit to protect it. A low-reflective pattern with visible light absorption properties is placed on the encapsulation unit to reduce reflections. The shape of the anode contact unit varies between subpixels within the OLED unit.
2. The organic light emitting display apparatus according to claim 1 , wherein the low-reflective pattern is formed of a material absorbing 90% or more of visible light.
Building upon the OLED display featuring a low-reflective pattern with visible light absorption properties on the encapsulation unit, as described in the previous display which includes a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, this pattern specifically absorbs 90% or more of visible light.
3. The organic light emitting display apparatus according to claim 1 , wherein the encapsulation unit comprises: a first inorganic encapsulation layer, an organic layer on the first inorganic encapsulation layer; and a second inorganic encapsulation layer on the organic layer, wherein the low-reflective pattern is in contact with the second inorganic encapsulation layer.
Expanding on the OLED display featuring a low-reflective pattern with visible light absorption properties on the encapsulation unit, as described in the previous display which includes a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the encapsulation unit has a layered structure. It includes a first inorganic encapsulation layer, an organic layer on top of it, and a second inorganic encapsulation layer on the organic layer. The low-reflective pattern is directly in contact with this second inorganic encapsulation layer.
4. The organic light emitting display apparatus according to claim 1 , further comprising a bank configured to cover an edge of the anode, wherein the low-reflective pattern overlaps with the bank.
In addition to the OLED display featuring a low-reflective pattern with visible light absorption properties on the encapsulation unit, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, a bank covers the edge of the anode. The low-reflective pattern is positioned such that it overlaps with this bank.
5. The organic light emitting display apparatus according to claim 4 , wherein the low-reflective pattern is overlapped within the bank.
Further specifying the OLED display that includes a bank covering the anode edge and a low-reflective pattern overlapping the bank, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the low-reflective pattern is completely contained within the area covered by the bank.
6. The organic light emitting display apparatus according to claim 1 , wherein the low-reflective pattern is configured to overlap at least one portion of the anode contact unit.
Concerning the OLED display featuring a low-reflective pattern, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the low-reflective pattern is positioned to overlap at least a portion of the anode contact unit.
7. The organic light emitting display apparatus according to claim 1 , wherein the anode contact unit is connected to the thin film transistor through contact holes, wherein the contact holes are evenly spaced from each other.
Further detailing the OLED display featuring a low-reflective pattern, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the anode contact unit connects to the thin film transistor through contact holes. These contact holes are evenly spaced from one another.
8. The organic light emitting display apparatus according to claim 7 , wherein the anode of the subpixels does not match the contact hole, and wherein the anode contact unit extends from the anode to the contact hole.
Continuing from the OLED display where the anode contact unit connects to the TFT via evenly spaced contact holes, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the anode of the subpixels does not directly align with the contact hole. Instead, the anode contact unit extends from the anode to reach the contact hole.
9. The organic light emitting display apparatus according to claim 7 , wherein the subpixels comprises a red subpixel, a green subpixel and a blue subpixel, wherein the blue subpixel is repeatedly disposed in a first direction, wherein the red subpixel and the green subpixel are alternately disposed in a second direction, wherein the contact hole is repeatedly disposed along a line extending in the second direction, the line being disposed between the red subpixel and the green subpixel, and wherein the anode contact unit extends from the anode of each subpixel to the respective contact hole.
Extending the description of the OLED display where the anode connects to the TFT via contact holes, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the subpixels consist of red, green, and blue. Blue subpixels are arranged repeatedly in a row (first direction). Red and green subpixels alternate in a column (second direction). Contact holes are placed repeatedly along a line running between the red and green subpixels (second direction). The anode contact unit then connects each subpixel's anode to its corresponding contact hole.
10. The organic light emitting display apparatus according to claim 7 , wherein the subpixels comprises a red subpixel, a green subpixel and a blue subpixel, wherein the red subpixel, the green subpixel and the blue subpixel are alternately disposed in a first direction as a pentile structure, wherein the contact hole is repeatedly disposed along a line extending in the first direction, and wherein the anode contact unit extends from the anode of each subpixel to the respective contact hole.
Continuing the description of the OLED display where the anode connects to the TFT via contact holes, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the subpixels (red, green, and blue) are arranged in a "pentile" structure, alternating in a row (first direction). The contact holes repeat along a line in that same row (first direction). The anode contact unit connects each subpixel's anode to its respective contact hole.
11. The organic light emitting display apparatus according to claim 7 , wherein the subpixels comprises a red subpixel, a green subpixel and a blue subpixel, wherein the red subpixel, the green subpixel and the blue subpixel are alternately disposed to zigzag in a first direction as a diamond pentile structure, wherein the contact hole is repeatedly disposed along a line extending in the first direction, and wherein the anode contact unit extends from the anode of each subpixel to the respective contact hole.
Detailing further the OLED display where the anode connects to the TFT via contact holes, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the red, green, and blue subpixels are arranged in a "diamond pentile" structure, zigzagging in a row (first direction). The contact holes repeat along a line in that same row (first direction), and each subpixel is connected to its contact hole by an anode contact unit.
12. The organic light emitting display apparatus according to claim 1 , wherein the low-reflective pattern is disposed only in a pixel area, the organic light emitting unit being disposed in the pixel area.
In the OLED display featuring a low-reflective pattern with visible light absorption properties, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the low-reflective pattern is only present in the pixel area where the organic light emitting unit resides.
13. The organic light emitting display apparatus according to claim 1 , further comprising an auxiliary electrode electrically connected to the cathode, wherein the low-reflective pattern is disposed such that ambient light reflected from the auxiliary electrode is configured to be absorbed by the low-reflective pattern.
Building upon the OLED display with the low-reflective pattern on the encapsulation unit, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, an auxiliary electrode is electrically connected to the cathode. The low-reflective pattern is positioned to absorb ambient light reflected from this auxiliary electrode.
14. The organic light emitting display apparatus according to claim 1 , further comprising an adhesive layer covering the low-reflective pattern.
Further enhancing the OLED display featuring a low-reflective pattern with visible light absorption properties, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, an adhesive layer covers the low-reflective pattern.
15. The organic light emitting display apparatus according to claim 1 , further comprising a touch panel on the adhesive layer.
Expanding the OLED display featuring a low-reflective pattern with visible light absorption properties covered by an adhesive layer, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, a touch panel is placed on top of the adhesive layer.
16. The organic light emitting display apparatus according to claim 1 , further comprising an initial line formed of the same material as the anode, wherein the low-reflective pattern is configured to overlap at least a portion of the initial line.
Expanding on the OLED display featuring a low-reflective pattern with visible light absorption properties, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, an initial line (likely for testing or circuit initialization) is made of the same material as the anode. The low-reflective pattern is positioned to overlap at least part of this initial line.
17. The organic light emitting display apparatus according to claim 1 , wherein the low-reflective pattern is spaced apart by a predetermined distance from the organic emission layer and is configured to cover at least a portion of the anode.
In the OLED display featuring a low-reflective pattern with visible light absorption properties, as described in the display including a substrate, a thin film transistor on the substrate, an organic light emitting unit on the thin film transistor comprising an anode, an organic emission layer and a cathode, an anode contact unit connected to the thin film transistor and extended from the anode, and an encapsulation unit configured to cover the organic light emitting unit where the anode contact unit is formed of the same material as the anode and where a shape of the anode contact unit differs among subpixels corresponding to the organic light emitting unit, the low-reflective pattern is not directly adjacent to the organic emission layer but is separated by a defined distance. It also covers at least a portion of the anode.
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October 27, 2015
July 18, 2017
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